Demo Route

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  actions:{
    goto(){
      console.log('goto');
      this.transitionToRoute('index');
    }    
  }
});

router.js

import Ember from 'ember';
import config from './config/environment';

const Router = Ember.Router.extend({
  location: 'none',
  rootURL: config.rootURL
});

Router.map(function() {
  this.route('index',{path:'/'});
  this.route('user');
  
});

export default Router;

routes.application.js

import Ember from 'ember';

export default Ember.Route.extend({
  actions:{
    login(){
      console.log('login');
      this.transitionTo('index');
    },
    logout(){
      console.log('logout');
      this.transitionTo('application');
    }
  }
});

routes.user.js

import Ember from 'ember';

export default Ember.Route.extend({
});

templates.application.hbs

<h1>Application.hbs</h1>
<br>
<button {{action "login"}}> Login </button>
<button {{action "goto"}}> Go To Application</button>
<button {{action "logout"}}> Logout </button>
<br>
{{outlet}}
<br>
<br>

templates.index.hbs

index.hbs

templates.user.hbs

User hbs 

templates.userrole.hbs

include component specific to user role.

twiddle.json

{
  "version": "0.10.4",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.7.0",
    "ember-data": "2.7.0",
    "ember-template-compiler": "2.7.0"
  },
  "addons": {}
}